Chemical Bonding Basics

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What is a chemical bond?
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A chemical bond is a force that holds atoms together in a molecule or compound.
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Name the three main types of chemical bonds.
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The three main types are ionic, covalent, and metallic bonds.
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What is an ionic bond?
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An ionic bond is formed when electrons are transferred from one atom to another, usually between a metal and a non-metal.
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Define covalent bond.
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A covalent bond is formed when two atoms share one or more pairs of electrons.
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What characterizes a metallic bond?
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Metallic bonds involve a 'sea of electrons' that freely flow around metal ions.
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How does electronegativity relate to bond type?
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Electronegativity differences inform whether a bond is ionic, covalent, or polar covalent.
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What is a polar covalent bond?
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A polar covalent bond has an unequal sharing of electrons, leading to partial charges.
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Describe a non-polar covalent bond.
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A non-polar covalent bond involves equal sharing of electrons between involved atoms.
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What is bond energy?
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Bond energy is the amount of energy required to break one mole of bonds in a substance.
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Explain bond length.
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Bond length is the average distance between nuclei of two bonded atoms.
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What determines bond strength?
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Bond strength is influenced by bond length, bond order, and the involved atoms' electronegativities.
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How are bond angles relevant in molecules?
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Bond angles determine the shape of molecules, influencing molecular geometry.
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What is a double bond?
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A double bond is a chemical bond where two pairs of electrons are shared between two atoms.
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What is a triple bond?
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A triple bond is a type of chemical bond where three pairs of electrons are shared between atoms.
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Why are hydrogen bonds important?
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Hydrogen bonds are important for the structural stability and properties of water, proteins, and DNA.
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